am 4c9bde7a: am ce473c32: Merge "Codec Offload: Add NULL check as mCallbackThread is NULL when offloaded HAL is running BLOCKING mode"

* commit '4c9bde7a3e636d3ecccd7905d142dbbb80e977a0':
  Codec Offload: Add NULL check as mCallbackThread is NULL when offloaded HAL is running BLOCKING mode